The car pinged when I put in low-octane gasoline.
我加了低辛烷值的汽油之后，汽车经常爆缸。
A continuous process to upgrade low-octane virgin, thermal, or heavy catalytically cracked naphthas into high-octane components for motor or aviation fuel blending or petrochemical usage.
将低辛烷值直馏馏分、热裂化或催化裂化重石脑油改质为高辛烷值组分用于车用或航空燃料调合或石油化工的连续过程。
DMC has a good blending octane, it does not phase separate in a water stream like some alcohols do, and it is both low in toxicity and quickly biodegradable.
DMC具有良好的混合辛烷值，它不像醇难于与水分层，具有低毒性，并能迅速生物降解。
The method greatly improves the octane value of the gasoline, and the olefin content in the upgrading gasoline is very low;
该方法大幅提高汽油的辛烷值且改质汽油中的烯烃含量很低；
The method greatly improves the octane value of the gasoline, and the olefin content in the upgrading gasoline is very low;
该方法大幅提高汽油的辛烷值且改质汽油中的烯烃含量很低；
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